Nowadays, we are exploring space.
如今，我们正在探索太空。
Earlier this year Professor Hawking warned that exploring space may not be entirely without risk.
在今年早些时候，霍金教授警告，探索太空不是完全没有风险的。
Some people think it's wrong to spend money on exploring space.
一些人认为花钱探索太空是错误的。
Some people think it's wrong to spend money on exploring space.
一些人认为花钱探索太空是错误的。
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